package facade;

/**
 * @author : DuJiabao
 * @Date : 2021/3/3 19:41
 * @Project : design-pattern
 * @File : null.java
 * @Desc :
 */
public enum TheaterLight {
  INSTANCE;

  public static TheaterLight getInstance() {
    return INSTANCE;
  }

  public void on() {
    System.out.println("Theater on!");
  }

  public void off() {
    System.out.println("Theater off!");
  }

  public void dim() {
    System.out.println("Theater dim!");
  }

  public void bright() {
    System.out.println("Theater bright!");
  }
}
